C3132121111133313233121111331333133313331333133313331331121111331313331322221   >>    C313212111113331323312111133133313331333133313331333133112111133131333132222   <<    C3132121111133313233121111331333133313331333133313331331121111331313331322223   >>      C3132121111133313233121111331333133313331333133313331331121111331313331322222   >>